McDonald’s PlayPlace

If you’ve got a toddler bouncing off the walls on a rainy Castro Valley afternoon, this is honestly one of the more reliable spots to redirect that energy. The indoor setup works well for the little ones through early elementary age — contained, easy to keep an eye on, and the cleanliness has noticeably improved. Parents tend to camp out nearby while the kids do their thing, which makes it a decent low-effort family stop. Restrooms on-site, convenient location — it’s not fancy, but it gets the job done when you need it to.